<div>Dear Mostafa,</div><div><br /></div><div>You are missing the &HF section in the wB97MV functional. Check https://github.com/cp2k/cp2k/blob/master/tests/QS/regtest-libxc/H2O-hybrid-wb97mv-libxc.inp for reference. Please double-check the parameters!
In case of PBC, you have to replace 'POTENTIAL_TYPE
MIX_CL' with
'POTENTIAL_TYPE
MIX_CL_TRUNC' and set the CUTOFF_RADIUS to a bit less than half of the nearest-neighbor distance.<br /></div><div>In general, the HF section is not set automatically by CP2K but has to be provided by the user (at least, with LibXC).</div><div><br /></div><div>HTH,</div><div><br />Frederick<br /></div><br /><div class="gmail_quote"><div dir="auto" class="gmail_attr">abedimo...@gmail.com schrieb am Samstag, 28. Januar 2023 um 23:52:53 UTC+1:<br/></div><blockquote class="gmail_quote" style="margin: 0 0 0 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><div>
<div>
<div>Hi Everyone,</div><div>I'm trying to get a sense of the performance of different DFT functionals in bulk calculations (<span><span><span><span><span>i.e.</span></span></span></span></span>
under PBC), specifically meta-GGA vs. hybrid meta-GGA. As far as I
know,
hybrid meta-GGA ones must be more expensive. I ran some test single
point + gradient calculations using the B97MV and wB97MV functionals and
surprisingly I got the same calculation time for both. I guess I'm not doing the
calculations with wB97MV
correctly. The input files are attached. Any comments/suggestions are greatly
appreciated. <br></div><div><br></div><div>Many thanks,</div><div>Mostafa </div>
</div>
</div></blockquote></div>
<p></p>
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